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Cl0p Ransomware Group Claims Data Theft from Nearly 50 Companies

Cl0p Ransomware Group Claims Data Theft from Nearly 50 Companies

First seen 14 Aug 2026, 11:53 UTC • •

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ThreatCluster AI
ThreatCluster •August 15, 2026 at 10:35 UTC

The Cl0p hacking group has claimed to have stolen significant data from nearly 50 companies, including Shell, Philips, General Electric (GE), and Fiserv. The group reported stealing approximately 89GB from Shell and 13.5GB from Philips, including sensitive engineering documents and project plans. The attacks exploit vulnerabilities in PTC Windchill and FlexPLM software, specifically a critical remote code execution vulnerability tracked as CVE-2026-12569. Both Shell and Philips confirmed attempts to breach their systems but have not verified the extent of the data theft. Fiserv and GE are also investigating the claims but have found no evidence of compromised customer data. The Ransomware Information Sharing and Analysis Center (Ransom-ISAC) issued warnings about the exploitation of these vulnerabilities as early as July 22, 2026. The situation remains under investigation as companies assess the potential impact.

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Updated 44d ago How this analysis works

Timeline

2026-06-18
CVE-2026-12569 published
A critical remote code execution vulnerability in PTC Windchill and FlexPLM was disclosed.
NVD
2026-06-25
CVE-2026-12569 added to CISA KEV
CISA added CVE-2026-12569 to its Known Exploited Vulnerabilities catalog due to active exploitation.
CISA
2026-07-22
Ransom-ISAC issues warning
Ransom-ISAC warned that Cl0p was exploiting vulnerabilities in PTC Windchill and FlexPLM.
Ransom-ISAC
2026-08-12
Cl0p claims data theft
Cl0p publicly claimed to have stolen data from Shell, Philips, GE, and Fiserv, among others.
Channelnewsasia
2026-08-14
Shell and Philips confirm investigations
Both companies acknowledged attempts to breach their systems and are conducting investigations.
Pravda.Ua

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